.full_screen_nav {

    display: flex;
    padding: 0.1rem 0;
    height: 1.2rem;
    -webkit-align-items: center;
    -ms-flex-align: center;
    align-items: center;
    -ms-flex-pack: distribute;

    height: 14.9333vw;
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    background-color: var(--bg);
}

.go_back {
    padding: 0 4.2667vw;

    img {
        width: 6.4vw;
    }
}